1.   Authorities said Monday they had traced the source of riot rumors that led Malaysians in the capital to lock themselves indoors over the weekend.

2.   Downplaying the tensions, government officials have repeatedly dismissed the riot rumors as baseless.

3.   Four people will face trail on charges of spreading riot rumors via the Internet, an offense that carries a maximum penalty of two years imprisonment.

4.   Once there were riot rumors...

5.   Three people have been arrested under the Internal Security Act, which permits jail without trial, for allegedly circulating riot rumors on the Internet.